Headset



FIG. 1 is a front perspective view of a headset;

FIG. 2 is a front elevational view of a headset;

FIG. 3 is a rear elevational view of a headset;

FIG. 4 is a left side elevational view of a headset;

FIG. 5 is a right side elevational view of a headset;

FIG. 6 is a top plan view of a headset; and,

FIG. 7 is a bottom plan view of a headset. 

The ornamental design for headset, as shown and described. 